CN113442890A - Vehicle electronic hand brake release control method and system, electronic equipment and storage medium - Google Patents
Vehicle electronic hand brake release control method and system, electronic equipment and storage medium Download PDFInfo
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- CN113442890A CN113442890A CN202110739403.8A CN202110739403A CN113442890A CN 113442890 A CN113442890 A CN 113442890A CN 202110739403 A CN202110739403 A CN 202110739403A CN 113442890 A CN113442890 A CN 113442890A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- Mechanical Engineering (AREA)
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- Regulating Braking Force (AREA)
Abstract
The application discloses a vehicle electronic hand brake release control method, a system, electronic equipment and a storage medium, wherein the method comprises the following steps: a trailer virtual switch is arranged at the target vehicle, the on state of the trailer virtual switch and the vehicle state of the target vehicle are acquired, judging whether the target vehicle meets the preset trailer mode activation condition or not according to the opening state and the vehicle state of the target vehicle, if the target vehicle meets the preset trailer mode activation condition, generating a first trailer request, sending the generated first trailer request to a vehicle body stabilizing system of a target vehicle, and performing parking release operation by the vehicle body stabilizing system according to the first trailer request, by adopting the virtual trailer virtual switch to carry out vehicle electronic hand brake release control on the target vehicle, when the vehicle gear controller fails, the problem that the electron manual brake can not release to can guarantee that the vehicle can carry out the trailer and go, improve the security.
Description
Technical Field
The present disclosure relates to the field of vehicle control, and more particularly, to a method, a system, an electronic device and a storage medium for controlling a release of a vehicle electronic manual brake.
Background
With the development of science and technology, automobiles begin to be intelligentized, physical buttons are omitted from electronic hand brakes of many automobiles, and the parking of the whole automobiles is usually carried out in a mode of multiplexing a P-gear button and an electronic hand brake switch. However, the whole vehicle is parked in a mode of multiplexing the P-gear button and the electronic hand brake switch, so that the P-gear button can be pressed only and cannot be pulled up, and therefore, only the parking function can be adopted, and the electronic hand brake cannot be released. Under the normal condition of the vehicle, the electronic hand brake is released by adopting the gear, for example, when the vehicle is switched from a P gear to a D/R/N gear, the electronic hand brake is released, but when a gear controller of the vehicle fails, the vehicle cannot be switched to the gear, so that the electronic hand brake cannot be released, and the condition that the vehicle can drive a trailer cannot be ensured.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a vehicle electronic hand brake release control method, a vehicle electronic hand brake release control system, electronic equipment and a storage medium, which can solve the problem that an electronic hand brake cannot be released when a gear controller fails, ensure that a vehicle can drive in a trailer and improve safety.
An embodiment of a first aspect of the present application provides a vehicle electronic handbrake release control method, including:
acquiring the starting state of a trailer virtual switch, and acquiring the vehicle state of a target vehicle;
judging whether the target vehicle meets a preset trailer mode activation condition or not according to the starting state and the vehicle state;
if the target vehicle meets the trailer mode activation condition, generating a first trailer request;
and sending the first trailer request to a vehicle body stabilizing system of the target vehicle, and carrying out parking release operation by the vehicle body stabilizing system according to the first trailer request.
According to the vehicle electronic hand brake release control method of the embodiment of the first aspect of the application, at least the following technical effects are achieved:
a trailer virtual switch is arranged at the target vehicle, the on state of the trailer virtual switch and the vehicle state of the target vehicle are acquired, judging whether the target vehicle meets the preset trailer mode activation condition or not according to the opening state and the vehicle state of the target vehicle, if the target vehicle meets the preset trailer mode activation condition, generating a first trailer request, sending the generated first trailer request to a vehicle body stabilizing system of a target vehicle, and performing parking release operation by the vehicle body stabilizing system according to the first trailer request, by adopting the virtual trailer virtual switch to carry out vehicle electronic hand brake release control on the target vehicle, when the vehicle gear controller fails, the problem that the electron manual brake can not release to can guarantee that the vehicle can carry out the trailer and go, improve the security.
The vehicle electronic handbrake release control method according to some embodiments of the present application further comprises: displaying the trailer virtual switch;
the display of the trailer virtual switch includes:
generating a first request for displaying the trailer virtual switch;
acquiring the speed information of the target vehicle according to the first request;
and displaying the trailer virtual switch according to the vehicle speed information.
According to some embodiments of the application, the method for controlling the release of the electronic handbrake for the vehicle, which displays the trailer virtual switch according to the vehicle speed information, comprises the following steps:
judging whether the vehicle speed information is smaller than a preset vehicle speed threshold value or not;
and if the vehicle speed information is less than the vehicle speed threshold value, displaying the trailer virtual switch.
According to some embodiments of the application, the method for controlling the release of the electronic handbrake of the vehicle, wherein the obtaining of the vehicle state of the target vehicle comprises:
generating a second request for obtaining the vehicle state;
sending the second request to the target vehicle;
receiving the vehicle state generated by the target vehicle according to the second request.
According to some embodiments of the vehicle electronic handbrake release control method of the present application, the trailer mode activation condition comprises: the vehicle state is that the target vehicle is in a stationary state, a brake pedal of the target vehicle is depressed, the target vehicle is not in a fault, and the target vehicle is in a crotch P, and the on state is on.
According to some embodiments of the application, the method for controlling the release of the electronic handbrake of the vehicle further comprises:
reacquiring the on state of the trailer virtual switch and the vehicle state of the target vehicle;
judging whether the target vehicle meets a preset trailer mode exit condition or not according to the starting state and the vehicle state;
if the target vehicle is judged to meet the trailer mode exit condition, generating a second trailer request;
and sending the second trailer request to a vehicle body stabilizing system of the target vehicle, and carrying out parking operation by the vehicle body stabilizing system according to the second trailer request.
According to some embodiments of the vehicle electronic handbrake release control method of the present application, the trailer mode exit condition comprises one or more of:
if the target vehicle is in the trailer mode, the target vehicle is in a static state and the P gear is pressed again;
or, the target vehicle is in a trailer mode and it is detected that the target vehicle is powered up again;
or, the target vehicle is in a trailer mode, the target vehicle is at a standstill, and the trailer virtual switch is pressed.
An embodiment of a second aspect of the present application provides a vehicle electronic handbrake release control system, comprising:
a body stabilization module including an electronic parking unit, the body stabilization module to store a vehicle state of a target vehicle;
the information entertainment module is used for displaying or graying the trailer virtual switch;
and the vehicle control unit is used for controlling the gear state of the target vehicle.
Embodiments of a third aspect of the present application provide an electronic device, including:
at least one processor, and,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions which are executed by the at least one processor, so that the at least one processor, when executing the instructions, implements the vehicle electronic handbrake release control method according to any one of the embodiments of the first aspect of the present application.
A fourth aspect embodiment of the present application provides a computer-readable storage medium storing computer-executable instructions for executing the vehicle electronic handbrake release control method according to any one of the embodiments of the first aspect of the present application.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a first flowchart of a vehicle electronic handbrake release control method according to some embodiments of the present application;
FIG. 2 is a second flowchart of a vehicle electronic handbrake release control method provided in some embodiments of the present application;
fig. 3 is a system interaction diagram of a vehicle electronic handbrake release control method according to some embodiments of the present application.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the development of science and technology, automobiles begin to be intelligentized, physical buttons are omitted from electronic hand brakes of many automobiles, and the parking of the whole automobiles is usually carried out in a mode of multiplexing a P-gear button and an electronic hand brake switch. However, the whole vehicle is parked in a mode of multiplexing the P-gear button and the electronic hand brake switch, so that the P-gear button can be pressed only and cannot be pulled up, and therefore, only the parking function can be adopted, and the electronic hand brake cannot be released. Under the normal condition of the vehicle, the electronic hand brake is released by adopting the gear, for example, when the vehicle is switched from a P gear to a D/R/N gear, the electronic hand brake is released, but when a gear controller of the vehicle fails, the vehicle cannot be switched to the gear, so that the electronic hand brake cannot be released, and the condition that the vehicle can drive a trailer cannot be ensured.
Based on this, the application provides a vehicle electronic hand brake release control method, a system, an electronic device and a storage medium, a trailer virtual switch can be arranged at a target vehicle, an on-state of the trailer virtual switch and a vehicle state of the target vehicle are obtained, whether the target vehicle meets a preset trailer mode activation condition or not is judged according to the on-state and the vehicle state of the target vehicle, if the target vehicle meets the preset trailer mode activation condition, a first trailer request is generated, the generated first trailer request is sent to a vehicle body stabilizing system of the target vehicle, and the vehicle body stabilizing system performs parking release operation according to the first trailer request. The problem that the electron manual brake can not release to can guarantee that the vehicle can carry out the trailer and go, improve the security.
In a first aspect, an embodiment of the application provides a vehicle electronic handbrake release control method.
At present, many cars all possess the trailer mode, and the trailer mode that the trailer mode indicates means when the target vehicle breaks down, and after getting into the trailer mode, the vehicle can be dragged away to can not damage by the trailer. It should be noted that, the general trailer mode has a limited usage scenario, for example, the trailer mode is only used when the vehicle is out of order or the vehicle cannot operate normally. In consideration of the problems that when a gear controller of a vehicle fails, the vehicle cannot perform gear switching, so that an electronic hand brake cannot be released, the frequency of using a trailer mode by a user is not high, and the like, in the embodiment of the application, a virtual trailer virtual switch is arranged on a display panel of an IHU (information entertainment Unit) of the vehicle to trigger a trailer mode function, so that the operation is simple, and the use by the user is convenient. In addition, considering that the frequency of the IHU operated by the user is high, the embodiment of the application also considers the problem of false triggering of the trailer virtual switch, the trailer virtual switch is adjusted to be displayed under a specific condition, the false triggering of the user is avoided, and the safety of the vehicle is ensured.
In some embodiments, referring to fig. 1, the vehicle electronic handbrake release control method of the present application specifically includes the steps of:
s100, acquiring the starting state of a trailer virtual switch, and acquiring the vehicle state of a target vehicle;
s200, judging whether the target vehicle meets a preset trailer mode activation condition or not according to the starting state and the vehicle state;
s300, if the target vehicle meets the trailer mode activation condition, generating a first trailer request;
and S400, sending the first trailer request to a vehicle body stabilizing system of the target vehicle, and performing parking release operation by the vehicle body stabilizing system according to the first trailer request.
In step S100, an on state of a trailer virtual switch is obtained, the on state of the trailer virtual switch includes on and off, a vehicle state of a target vehicle is obtained, the vehicle state of the target vehicle is mainly classified into four types of states, the first state type is a trailer function activated state of the vehicle, the second state type is a brake pedal state of the vehicle, the third state type is a fault state of the vehicle, and the fourth state type is a gear state of the vehicle, wherein the trailer function activated state of the vehicle includes a trailer function not activated and a trailer function activated of the vehicle, the brake pedal state of the vehicle includes a brake pedal not faulty and a brake pedal faulty, the fault state of the vehicle includes an electronic handbrake not faulty and an electronic handbrake faulty, and the target gear state of the vehicle includes that the vehicle is in an invalid gear, a D gear, a gear, and a gear, N gear, R gear and P gear. In practical applications, the on state of the trailer virtual switch may be represented by setting a state flag bit of the trailer virtual switch, and the vehicle state of the target vehicle may also be represented by setting a state flag bit of each vehicle state of the target vehicle, for example, the on state of the trailer virtual switch may be represented by a switch flag bit, the switch flag bit is set to MaintenanceModeReq, and the value of the switch flag bit is set to 0, 1, 2, when the target vehicle is powered on, the default switch flag bit, that is, MaintenanceModeReq is 0, when the target vehicle is powered on, the switch flag bit defaults to an initialization state, which represents that the trailer virtual switch has not been triggered, when the trailer virtual switch in the IHU is turned off, the maintenancereq is 1, and when the trailer virtual switch in the IHU is turned on, the maintenancereq is 2; the trailer function activation state of the vehicle can be represented by a trailer function activation flag bit, the trailer function activation flag bit is set to maintenance standards, the values of the trailer function activation flag bit are set to 0 and 1, when the target vehicle is in a power-on state or the trailer function is not activated, the default trailer function activation flag bit, namely, maintenance standards is 0, which represents that the trailer function is not activated yet, and when the trailer function of the target vehicle is activated, the maintenance standards is 1; the brake pedal state of the vehicle may be represented by a brake pedal flag bit, which is set to BrakeLampSwitchStas, whose values are set to 0 and 1, when the brake pedal of the target vehicle is not depressed, which is set to 0, and when the brake pedal of the target vehicle is depressed, which is set to 1; the fault state of the vehicle can be represented by a fault flag bit, the fault flag bit is set to EPBfaultsas, the value of the fault flag bit is set to 0 and 1, when the electronic hand brake of the target vehicle does not have a fault, the EPBfaultsas is 0, and when the electronic hand brake of the target vehicle has a fault, the EPBfaultsas is 1; the gear state of the vehicle may be represented by a gear flag, which is set to GearActual and whose values are 0, 1, 2, 3, and 4, and is set to 0 when the actual gear of the target vehicle is invalid, i.e., the target vehicle has failed to engage the gear, 1 when the actual gear of the target vehicle is D, 2 when the actual gear of the target vehicle is N, 3 when the actual gear of the target vehicle is R, and 4 when the actual gear of the target vehicle is P. In practical application, the gear information of the target vehicle is obtained as follows: the Vehicle body stabilization system generates an acquisition instruction for acquiring gear information of a target Vehicle, sends the acquisition instruction to a VCU (Vehicle Control Unit), acquires the gear information of the target Vehicle according to the acquisition instruction by the VCU, and then sends the gear information to the Vehicle body stabilization system of the target Vehicle. The VCU is a core electronic control unit for realizing the whole vehicle control decision, and sends a vehicle running state control instruction to the power system and the power battery system after the VCU judges and processes the information by monitoring the vehicle state, such as the vehicle speed, the temperature, the gear and the like.
In some embodiments of the present application, step S100 specifically includes the steps of:
s110, generating a second request for acquiring the vehicle state;
s120, sending the second request to a vehicle body stabilizing system of the target vehicle;
and S130, receiving the vehicle state generated by the vehicle body stabilizing system according to the second request.
In step S110, the IHU generates a second request for obtaining the vehicle state of the target vehicle.
In step S120, the IHU sends a second request to an Electronic Stability Program (ESP) of the target vehicle, wherein the ESP is a system for effectively preventing the vehicle from running away when reaching its dynamic limit while aiming to improve the handling performance of the vehicle, and the ESP can improve the safety and handling performance of the vehicle. In practical application, the body stabilization system further integrates EPB (Electrical Park Brake) software, and sends a second request generated by the IHU to the ESP, and the ESP generates an execution command upon receiving the second request, sends the execution command to the EPB, and performs an operation of releasing parking by the EPB, wherein the execution command refers to a request of releasing parking. It should be noted that the EPB controls the parking brake through the electronic circuit, and has the same function as the mechanical lever hand brake, so that the electronic lever brake does not need to be turned off manually when the vehicle starts, and the electronic lever brake can be turned off automatically when the accelerator is stepped on to start.
In step S130, the IHU receives a vehicle state generated by the vehicle body stabilization system according to the second request, where the vehicle state is generated by the vehicle body stabilization system according to the second request, and specifically, the vehicle state includes a power-on state of the target vehicle, a trailer function activation state of the target vehicle, a brake pedal state of the target vehicle, a fault state of the target vehicle, a gear position state of the target vehicle, and the like, and reflects current vehicle state information of the target vehicle.
In step S200, the IHU determines whether the target vehicle meets the preset trailer mode activation condition according to the start state and the vehicle state, the trailer mode activation condition is preset in the embodiment of the present application, the trailer function can be triggered only when the start state and the vehicle state of the target vehicle meet the preset trailer mode activation condition, and the trailer function cannot be triggered when the start state and the vehicle state of the target vehicle do not meet the preset trailer mode activation condition, so as to ensure the safety of the target vehicle.
In some embodiments of the present application, the trailer mode activation condition comprises: when the trailer mode activation conditions are all satisfied, the trailer function of the target vehicle is activated, and at the moment, the EPB system requests the trailer according to the ESP.
In step S300, if the target vehicle satisfies the trailer mode activation condition, a first trailer request is generated, which refers to a request of the IHU system for requesting the ESP system to perform an operation of releasing parking.
In step S400, the first trailer request is sent to the body stabilization system of the target vehicle, the body stabilization system performs a parking release operation according to the first trailer request, and after the parking release operation is performed by the body stabilization system, the electronic hand brake of the target vehicle is released, so that the target vehicle can perform trailer processing.
In some embodiments of the present application, the vehicle electronic handbrake release control method further includes a display trailer virtual switch, and the "display trailer virtual switch" specifically includes the steps of:
s510, generating a first request for requesting display of a trailer virtual switch;
s520, acquiring the speed information of the target vehicle according to the first request;
and S530, displaying a trailer virtual switch according to the vehicle speed information.
In steps S510 to S530, the IHU generates a first request for requesting to display the trailer virtual switch, and in the embodiment of the present application, in consideration of the problem of false triggering of the trailer virtual switch, the trailer virtual switch is adjusted to be displayed under a specific condition, so as to prevent a user from mistakenly touching the trailer virtual switch, thereby ensuring vehicle safety. The IHU sends the first request to a vehicle body stabilizing system of the target vehicle, and in practical application, after the first request is sent to the vehicle body stabilizing system of the target vehicle, the vehicle body stabilizing system acquires the vehicle speed information of the target vehicle. The IHU receives vehicle speed information of a target vehicle sent by the vehicle body stabilizing system, the vehicle speed information is generated by the vehicle body stabilizing system according to a first request, specifically, after the vehicle body stabilizing system receives the first request, the vehicle speed information of the target vehicle is obtained from the VCU, and then the IHU receives the vehicle speed information of the target vehicle obtained by the vehicle body stabilizing system. IHU shows the virtual switch of trailer according to speed of a motor vehicle information, and is the same, the virtual switch of trailer can only show under speed of a motor vehicle information satisfies the preset condition, and when speed of a motor vehicle information does not satisfy the preset condition, IHU's the virtual switch of trailer can not show on IHU's operation screen, perhaps puts grey with the virtual switch of trailer on the IHU operation screen, shows forbidden trailer function, and the user can't click the virtual switch of trailer after putting grey, just also can't open the trailer function.
In some embodiments of the present application, step S530 specifically includes the steps of:
s531, judging whether the vehicle speed information is smaller than a preset vehicle speed threshold value;
and S532, if the vehicle speed information is less than the vehicle speed threshold value, displaying a trailer virtual switch.
In step S531, it is determined whether the vehicle speed information is less than a preset vehicle speed threshold, specifically, a vehicle speed threshold is preset in the embodiment of the present application, when the vehicle speed information is not less than the preset vehicle speed threshold, it indicates that the current vehicle speed of the target vehicle is too large, and it is not suitable to start the trailer function, in practical application, the vehicle speed threshold may be set to 3km/h, and when the vehicle speed is greater than 3km/h, the trailer switch cannot be pressed.
In step 8532, if the vehicle speed information is less than the vehicle speed threshold, indicating that the vehicle speed of the target vehicle is appropriate, displaying a trailer virtual switch, and the user can start the trailer function by clicking the trailer virtual switch, in practical applications, the vehicle speed threshold may be set to 3km/h, and when the vehicle speed is less than or equal to 3km/h, the trailer switch can be pressed.
Referring to fig. 2, in some embodiments of the present application, the vehicle electronic handbrake release control method further comprises the steps of:
s610, acquiring the on state of the trailer virtual switch and the vehicle state of the target vehicle again;
s620, judging whether the target vehicle meets a preset trailer mode exit condition or not according to the opening state and the vehicle state;
s630, if the target vehicle is judged to meet the trailer mode exit condition, generating a second trailer request;
and S640, sending the second trailer request to a body stabilizing system of the target vehicle, and performing parking operation by the body stabilizing system according to the second trailer request.
In step S610, the IHU re-acquires the on state of the trailer virtual switch and the vehicle state of the target vehicle, and after the trailer mode of the target vehicle is turned on for a period of time, the on state of the trailer virtual switch and the vehicle state of the target vehicle can be re-acquired to determine whether the user cancels or exits the trailer function, the on state of the trailer virtual switch includes on and off, the vehicle state of the target vehicle is mainly divided into a trailer function activation state of the vehicle, a brake pedal state of the vehicle, a fault state of the vehicle, and a gear position state of the vehicle, and the specific target vehicle state is referred to in step S100.
In step S620, the IHU determines whether the target vehicle meets a preset trailer mode exit condition according to the start state and the vehicle state, and in addition to the preset trailer mode activation condition, the embodiment of the present application further has a trailer mode exit condition, and when the start state and the vehicle state of the target vehicle meet the preset trailer cancellation condition, the trailer function can be cancelled.
In some embodiments of the present application, the trailer mode exit condition comprises one or more of: if the target vehicle is in the trailer mode, the target vehicle is in a static state and the P gear is pressed again; or the target vehicle is in a trailer mode and it is detected that the target vehicle is powered up again; or the target vehicle is in the trailer mode, the target vehicle is at rest, and the trailer virtual switch is pressed.
In step S630, if it is determined that the target vehicle satisfies the trailer mode exit condition, a second trailer request is generated, which refers to a request from the IHU system for parking, i.e., a parking operation, of the ESP system.
In step S640, the second trailer request is sent to the body stabilization system of the target vehicle, the body stabilization system performs a parking operation according to the second trailer request, after the parking operation is performed by the body stabilization system, the electronic hand brake of the target vehicle is pulled up, and the target vehicle exits the trailer function and is in a stationary state.
In an application example that may be implemented, referring to fig. 3, an embodiment of the present application mainly includes a vehicle body stabilizing system, an infotainment system, and a vehicle controller, where the vehicle controller integrates electronic parking software, the infotainment system sends a trailer request for requesting to display a trailer virtual switch, the vehicle body stabilizing system obtains a vehicle speed information state of the vehicle controller after receiving the trailer request, obtains an on state of the trailer virtual switch sent by the electronic parking and a vehicle state of a target vehicle, the infotainment system displays or grays the trailer virtual switch through the on state of the trailer virtual switch, and a user starts a trailer function after pressing the trailer virtual switch in the infotainment system, so as to implement an operation of releasing parking of the target vehicle.
In some embodiments of the present application, a specific application flow of the vehicle electronic handbrake release control method is as follows: firstly, judging whether a trailer virtual switch in an IHU system is pressed, if the trailer virtual switch is not pressed, indicating that the trailer switch is grey, and the target vehicle does not enter a trailer mode at the moment, if the trailer virtual switch is pressed, indicating that the target vehicle enters the trailer mode, releasing an electronic hand brake of the target vehicle after entering the trailer mode, and when the target vehicle is electrified again or the trailer virtual switch on a screen of the IHU system is pressed, exiting the trailer mode, and at the moment, the electronic parking is in a release state; and releasing the electronic hand brake of the target vehicle after entering the trailer mode, and when a P-gear button of the target vehicle is pressed, the target vehicle exits the trailer mode, and the electronic parking is in a parking state at the moment.
In the embodiment of the first aspect of the present application, a trailer virtual switch is disposed at a target vehicle, an on state of the trailer virtual switch and a vehicle state of the target vehicle are obtained, whether the target vehicle meets a preset trailer mode activation condition is judged according to the on state and the vehicle state of the target vehicle, if the target vehicle meets the preset trailer mode activation condition, a first trailer request is generated, the generated first trailer request is sent to a vehicle body stabilizing system of the target vehicle, and a parking release operation is performed by the vehicle body stabilizing system according to the first trailer request. The safety is improved.
In a second aspect, the embodiment of the application further provides a vehicle electronic handbrake release control system.
It should be noted that the vehicle electronic handbrake release control system mentioned in the embodiment of the present application is used for executing the vehicle electronic handbrake release control method mentioned in the embodiment of the first aspect.
The vehicle electronic hand brake release control system of the embodiment of the application comprises
The vehicle body stabilizing module comprises an electronic parking unit and is used for storing the vehicle state of the target vehicle;
the information entertainment module is used for displaying or graying the trailer virtual switch;
and the vehicle control unit is used for controlling the gear state of the target vehicle.
It should be noted that, the detailed functions and descriptions of the functional modules of the electronic handbrake release control system for a vehicle mentioned in the embodiment of the present application have been discussed in detail in the electronic handbrake release control method for a vehicle mentioned in the embodiment of the first aspect, and therefore are not described again.
In this application embodiment, the vehicle electron manual brake release control system of this application carries out vehicle electron manual brake release control to the target vehicle through adopting virtual trailer virtual switch, can solve when vehicle gear controller breaks down, and the problem that the electron manual brake can not release to can guarantee that the vehicle can carry out the trailer and travel, improve the security.
In a third aspect, an embodiment of the present application further provides an electronic device.
In some embodiments, an electronic device includes: at least one processor, and a memory communicatively coupled to the at least one processor; the storage stores instructions, and the instructions are executed by the at least one processor, so that when the at least one processor executes the instructions, the vehicle electronic hand brake release control method in any embodiment of the application is realized.
The processor and memory may be connected by a bus or other means.
The memory, which is a non-transitory computer readable storage medium, may be used to store a non-transitory software program and a non-transitory computer executable program, such as the vehicle electronic handbrake release control method described in the embodiments of the present application. The processor implements the vehicle electronic handbrake release control method described above by running non-transitory software programs and instructions stored in the memory.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area can store and execute the vehicle electronic hand brake release control method. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and these remote memories may be connected to the processor through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The non-transitory software programs and instructions required to implement the vehicle electronic hand brake release control method described above are stored in a memory and, when executed by one or more processors, perform the vehicle electronic hand brake release control method mentioned in the first aspect embodiment above.
In a fourth aspect, the present application further provides a computer-readable storage medium.
In some embodiments, the computer-readable storage medium stores computer-executable instructions for executing the vehicle electronic handbrake release control method mentioned in the embodiments of the first aspect.
In some embodiments, the storage medium stores computer-executable instructions that are executed by one or more control processors, for example, by a processor in the electronic device, and cause the one or more processors to execute the vehicle electronic handbrake release control method.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The electronic hand brake release control method for the vehicle is characterized by comprising the following steps:
acquiring the starting state of a trailer virtual switch, and acquiring the vehicle state of a target vehicle;
judging whether the target vehicle meets a preset trailer mode activation condition or not according to the starting state and the vehicle state;
if the target vehicle meets the trailer mode activation condition, generating a first trailer request;
and sending the first trailer request to a vehicle body stabilizing system of the target vehicle, and carrying out parking release operation by the vehicle body stabilizing system according to the first trailer request.
2. The vehicle electronic handbrake release control method according to claim 1, further comprising: displaying the trailer virtual switch;
the display of the trailer virtual switch includes:
generating a first request for displaying the trailer virtual switch;
acquiring the speed information of the target vehicle according to the first request;
and displaying the trailer virtual switch according to the vehicle speed information.
3. The vehicle electronic handbrake release control method according to claim 2, wherein said displaying said trailer virtual switch according to said vehicle speed information comprises:
judging whether the vehicle speed information is smaller than a preset vehicle speed threshold value or not;
and if the vehicle speed information is less than the vehicle speed threshold value, displaying the trailer virtual switch.
4. The vehicle electronic handbrake release control method according to claim 1, wherein said obtaining a vehicle state of said target vehicle comprises:
generating a second request for obtaining the vehicle state;
sending the second request to the target vehicle;
receiving the vehicle state generated by the target vehicle according to the second request.
5. The vehicle electronic handbrake release control method according to claim 1, wherein said trailer mode activation condition comprises: the vehicle state is that the target vehicle is in a stationary state, a brake pedal of the target vehicle is depressed, the target vehicle is not in a fault, and the target vehicle is in a crotch P, and the on state is on.
6. The vehicle electronic handbrake release control method according to claim 1, further comprising:
reacquiring the on state of the trailer virtual switch and the vehicle state of the target vehicle;
judging whether the target vehicle meets a preset trailer mode exit condition or not according to the starting state and the vehicle state;
if the target vehicle is judged to meet the trailer mode exit condition, generating a second trailer request;
and sending the second trailer request to a vehicle body stabilizing system of the target vehicle, and carrying out parking operation by the vehicle body stabilizing system according to the second trailer request.
7. The vehicle electronic handbrake release control method according to claim 6, wherein said trailer mode exit condition comprises one or more of:
if the target vehicle is in the trailer mode, the target vehicle is in a static state and the P gear is pressed again;
or, the target vehicle is in a trailer mode and it is detected that the target vehicle is powered up again;
or, the target vehicle is in a trailer mode, the target vehicle is at a standstill, and the trailer virtual switch is pressed.
8. Vehicle electron manual brake release control system, its characterized in that includes:
a body stabilization module including an electronic parking unit, the body stabilization module to store a vehicle state of a target vehicle;
the information entertainment module is used for displaying or graying the trailer virtual switch;
and the vehicle control unit is used for controlling the gear state of the target vehicle.
9. An electronic device, comprising:
at least one processor, and,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions for execution by the at least one processor to cause the at least one processor, when executing the instructions, to implement a vehicle electronic handbrake release control method according to any one of claims 1 to 7.
10. Computer-readable storage media, characterized in that the computer-readable storage media stores computer-executable instructions for performing the vehicle electronic handbrake release control method according to any one of claims 1 to 7.
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| CN202110739403.8A CN113442890A (en) | 2021-06-30 | 2021-06-30 | Vehicle electronic hand brake release control method and system, electronic equipment and storage medium |
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| CN202110739403.8A CN113442890A (en) | 2021-06-30 | 2021-06-30 | Vehicle electronic hand brake release control method and system, electronic equipment and storage medium |
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| CN114084142A (en) * | 2021-11-22 | 2022-02-25 | 中国第一汽车股份有限公司 | Trailer control system, vehicle, towing control method, and storage medium |
| CN114084084A (en) * | 2021-11-17 | 2022-02-25 | 一汽解放汽车有限公司 | Trailer connection state judgment method, device computer equipment and storage medium |
| CN114919547A (en) * | 2022-04-26 | 2022-08-19 | 一汽奔腾轿车有限公司 | Control method and control system for trailer mode of passenger car |
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Application publication date: 20210928 |